N fewer than the product of 4 and 5 as expression PLS HELP

ian gonna lie that is way to much

so what is the problem what are they asking you to solve

step-by-step explanation:

so what is the problem what are they asking you to solve

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2